Severe Weather Outlook

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Outlook for Wednesday, February 22

Outlook Summary

Severe weather is not expected across the contiguous United States on Wednesday.

Outlook Images

overview

any severe low

Detailed Outlook

SPC AC 211722

Day 2 Convective Outlook  
NWS Storm Prediction Center Norman OK
1122 AM CST Tue Feb 21 2017

Valid 221200Z - 231200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Severe weather is not expected across the contiguous United States
on Wednesday.

...Synopsis...
A belt of enhanced west/southwesterly mid-level flow will stretch
from southern/central California to the Upper Midwest during the
day, as a trough continues to overspread the Pacific Northwest.
Farther east, another impulse will translate eastward from the
northern Plains to the upper Great Lakes. Across the southeastern
US, a weakening mid/upper low will cross the Florida peninsula late
in the period. The surface response will feature a cold front
gradually progressing southward over portions of the southern Great
Basin, while another front pushes southeastward across the northern
Plains and Upper Midwest.

...Florida Peninsula...
Despite the weakening nature of the mid/upper low, cooling aloft and
increasing low-level moisture will support enough buoyancy for
scattered thunderstorms across the peninsula during the day.
Relatively weak low-level flow and marginal buoyancy are expected to
preclude a threat of severe thunderstorms.

...Pacific Northwest...
Cold mid-level temperatures (around -34 to -38 C) will come ashore
the coast during the period. Despite cool surface conditions and low
dew points, steep low/mid-level lapse rates should encourage the
development of isolated thunderstorms during the afternoon.

..Picca/Broyles.. 02/21/2017

CLICK TO GET WUUS02 PTSDY2 PRODUCT

NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED BY 0700Z

National Risk Overview

Tuesday, February 21
TORNADO: low
HAIL: low
WIND: low
Wednesday, February 22
ANY SEVERE: low
Thursday, February 23
ANY SEVERE: low
Friday, February 24
ANY SEVERE: 15%
Saturday, February 25
ANY SEVERE: low / uncertain
Sunday, February 26
ANY SEVERE: low / uncertain
Monday, February 27
ANY SEVERE: low / uncertain
Tuesday, February 28
ANY SEVERE: low / uncertain

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